21290322

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 43593984

約数和(自身を除く): 22303662

約数列:

[1, 2, 3, 6, 67, 134, 201, 211, 251, 402, 422, 502, 633, 753, 1266, 1506, 14137, 16817, 28274, 33634, 42411, 50451, 52961, 84822, 100902, 105922, 158883, 317766, 3548387, 7096774, 10645161, 21290322]

約数ペア:

[(1, 21290322), (2, 10645161), (3, 7096774), (6, 3548387), (67, 317766), (134, 158883), (201, 105922), (211, 100902), (251, 84822), (402, 52961), (422, 50451), (502, 42411), (633, 33634), (753, 28274), (1266, 16817), (1506, 14137)]